w83697 Winbond Electronics Corp America, w83697 Datasheet - Page 144

• Manufacturer Part Number: w83697
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

;-----------------------------------------------------------------------------------
; Enter the extended function mode ,interruptible double-write
;-----------------------------------------------------------------------------------
MOV DX,2EH
MOV AL,87H
OUT DX,AL
OUT DX,AL
;-----------------------------------------------------------------------------
; Configurate logical device 1, configuration register CRF0 |
;-----------------------------------------------------------------------------
MOV DX,2EH
MOV AL,07H
OUT DX,AL
MOV DX,2FH
MOV AL,01H
OUT DX,AL
;
MOV DX,2EH
MOV AL,F0H
OUT DX,AL
MOV DX,2FH
MOV AL,3CH
OUT DX,AL
;------------------------------------------
; Exit extended function mode
;------------------------------------------
MOV DX,2EH
MOV AL,AAH
OUT DX,AL
; point to Logical Device Number Reg.
; select logical device 1
; select CRF0
; update CRF0 with value 3CH
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Publication Release Date: Feb. 2002
W83697HF/F
Revision 0.70